Suction cup



FIG. 1 is a front elevational view of a suction cup showing our new design;

FIG. 2 is a left side elevational view of the suction cup shown in FIG. 1 ;

FIG. 3 is a bottom plan view of the suction cup shown in FIG. 1 ;

FIG. 4 is a top plan view of the suction cup shown in FIG. 1 ;

FIG. 5 is a bottom, front, left perspective view of the SUCTION CUP shown in FIG. 1 ; and,

FIG. 6 is a top, front, left perspective view of the suction cup shown in FIG. 1 .

Portions of the article not shown in the drawing, if any, form no part of the claimed design.

The broken lines in the drawings depict unclaimed portions of the suction cup only, and form no part of the claimed design. 

CLAIM The ornamental design for a suction cup, as shown and described. 